A018955 - OEIS

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A018955

Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite AFI = AlPO4-5 [ Al12P12O48 ] . R . q H2O.

1, 13, 28, 270, 1176, 7952, 43772, 285525, 1808560 (list; graph; refs; listen; history; internal format)

	OFFSET	`2,2`
	REFERENCES	`G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.`
	LINKS	`G. Thimm, Cycle sequences of crystal structures`
	CROSSREFS	`Sequence in context: A026054 A001291 A018974 * A087593 A158075 A087594` `Adjacent sequences: A018952 A018953 A018954 * A018956 A018957 A018958`
	KEYWORD	`nonn`
	AUTHOR	`Georg Thimm (mgeorg(AT)ntu.edu.sg)`

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Last modified February 15 03:33 EST 2012. Contains 205694 sequences.